#include "vectorfunctions.h"
#include <iostream>

int main()
{
	int mat[10][10];
	int x[100];
	int i, j, n=0, row, col, sum=0;
	cout<<"Number of rows ";
	cin>>row;
	cout<<"Number of colons ";
	cin>>col;
	for (i=0; i<row; i++)
		for (j=0; j<col; j++){
			cout<<"m["<<i<<"]["<<j<<"]= ";
			cin>>mat[i][j];	
		}
	for (i=0; i<row; ++i)
		for (j=0; j<col; ++j){
			if(i==j)
				sum += mat[i][j];
			if(i>j)
				mat[i][j]=0;
		}
	for (i=0; i<row; i++){
		for (j=0; j<col; j++)
			cout<<mat[i][j]<<" ";
		cout<<endl;	
		}
	cout<<"Average: " << (float)sum/col<<endl;
	
return 0;
}
